Report ITU-R BT.2575-0 (10/2026) Television reference test patterns
Foreword
Policy on Intellectual Property Right (IPR)
TABLE OF CONTENTS
1 Introduction
2 Specific-purpose test patterns, their elements and applications
     2.1 Geometric characteristics assessment
          2.1.1 Cross-hatch
          2.1.2 Circle
     2.2 Frequency domain assessment
          2.2.1 Luminance multiburst
          2.2.2 Chroma multiburst
          2.2.3 Circular Zone Plate (CZP)
          2.2.4 Horizontal resolution wedges
          2.2.5 Vertical resolution wedges
     2.3 Linearity assessment
          2.3.1 Luminance steps (grey scale)
          2.3.2 Luminance ramp
     2.4 Multi-link SDI Cable swap check
          2.4.1 “米” pattern
          2.4.2 Cyclone pattern
     2.5 Display-related assessment
          2.5.1 PLUGE (Picture Line-Up Generation Equipment)
          2.5.2 Overscan markers
     2.6 Colour assessment
          2.6.1 Colour chart
          2.6.2 Colour ramps
          2.6.3 Skin colours
     2.7 Audio-related assessment
          2.7.1 Lip-sync checker
          2.7.2 Audio mapping check
     2.8 Pathological pattern
     2.9 Opacity checker
3 Multi-purpose test patterns and applications
     3.1 UHDTV HDR Composite test pattern
          3.1.1 Composite test patterns
          3.1.2 Signals and usage
     3.2 Colour bars
     3.3 Moving colour bars
     3.4 Colour bars with audio channel ID